Datasheet

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Pinouts and pin descriptions STM32F103xF, STM32F103xG

34/136 DocID16554 Rev 4

A9 - 88 123 PD7 I/O FT PD7 FSMC_NE1 / FSMC_NCE2 USART2_CK

E8 - - 124 PG9 I/O FT PG9 FSMC_NE2 / FSMC_NCE3 -

D8 - - 125 PG10 I/O FT PG10 FSMC_NCE4_1 / FSMC_NE3 -

C8 - - 126 PG11 I/O FT PG11 FSMC_NCE4_2 -

B8 - - 127 PG12 I/O FT PG12 FSMC_NE4 -

D7 - - 128 PG13 I/O FT PG13 FSMC_A24 -

C7 - - 129 PG14 I/O FT PG14 FSMC_A25 -

E6 - - 130 V

SS_11

F6 - - 131 V

DD_11

B7 - - 132 PG15 I/O FT PG15 - -

A7 55 89 133 PB3 I/O FT JTDO SPI3_SCK / I2S3_CK/

PB3

/TRACESWO

TIM2_CH2 /

SPI1_SCK

A6 56 90 134 PB4 I/O FT NJTRST SPI3_MISO

PB4/

TIM3_CH1

SPI1_MISO

B6 57 91 135 PB5 I/O PB5

I2C1_SMBA / SPI3_MOSI /

I2S3_SD

TIM3_CH2 /

SPI1_MOSI

C6 58 92 136 PB6 I/O FT PB6 I2C1_SCL

(8)

/ TIM4_CH1

(8)

USART1_TX

D6 59 93 137 PB7 I/O FT PB7

I2C1_SDA

(8)

/ FSMC_NADV /

TIM4_CH2

(8)

USART1_RX

D5 60 94 138 BOOT0 I BOOT0 - -

C5 61 95 139 PB8 I/O FT PB8

TIM4_CH3

(8)

/ SDIO_D4 /

TIM10_CH1

I2C1_SCL/

CAN_RX

B5 62 96 140 PB9 I/O FT PB9

TIM4_CH4

(8)

/ SDIO_D5 /

TIM11_CH1

I2C1_SDA /

CAN_TX

A5 - 97 141 PE0 I/O FT PE0 TIM4_ETR / FSMC_NBL0 -

A4 - 98 142 PE1 I/O FT PE1 FSMC_NBL1 -

E5 63 99 143 V

SS_3

F5 64 100 144 V

DD_3

1. I = input, O = output, S = supply.

2. FT = 5 V tolerant.

3. Function availability depends on the chosen device.

Table 5. STM32F103xF and STM32F103xG pin definitions (continued)

Pins

Pin name

Type

(1)

I / O level

(2)

Main

function

(3)

(after reset)

Alternate functions

(4)

LFBGA144

LQFP64

LQFP100

LQFP144

Default Remap

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